size_t/ptrdiff_t transition part 4: libast regex and string sublibraries#950
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size_t/ptrdiff_t transition part 4: libast regex and string sublibraries#950
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This is the fourth of the thickfold patch series, which enables ksh93 to operate within a 64-bit address space. The parts of ksh93 affected by this commit are: - The libast string library. - The libast regex engine. - The libcmd paste builtin. - A few scattered bits of miscellaneous code using stresc (which now returns a ptrdiff_t result). Full changes for other libcmd builtins and pty are currently held for later parts of thickfold. Change in the number of warnings on Linux when compiling with clang using -Wsign-compare -Wshorten-64-to-32 -Wsign-conversion -Wimplicit-int-conversion: 3,084 => 2,474 => 37 (progression from part 3 => part 4 => part 13) Progresses ksh93#592
These changes are what were supposed to accompany the changes to features/api, but the previous commit omitted them. (I did a 'git checkout thickfold-size_t -- src/lib/libast/features' when I made that patch, which swept in the features/api file.)
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This is the fourth of the thickfold patch series, which enables ksh93 to operate within a 64-bit address space.
The parts of ksh93 affected by this commit are:
pastebuiltin.stresc(which now returns aptrdiff_tresult, a recent change after re-reviewing this patch prior to submission). Full changes for other libcmd builtins andptyare currently held for later parts of thickfold.Change in the number of warnings on Linux when compiling with clang using
-Wsign-compare -Wshorten-64-to-32 -Wsign-conversion -Wimplicit-int-conversion: 3,084 => 2,450 => 37 (progression from part 3 => part 4 => part 13)(Part 13's warnings lowered in number due to minor fixes for that patch. It's of course currently held for a later PR.)
Progresses #592